Machine for making flat bottomed plastic bags has sealer which makes resealable closure, fingers which fold sides and sealing and pressing unit which forms pouring spout at top of bag

摘要

The machine for making flat bottomed plastic bags has a device (19) for producing a reinforcing line and a sealer which makes a resealable closure (3). These are followed by a sterilizing unit (21) and a forming and filling tube (23). Folding fingers (24, 24') fold the sides and a sealing and pressing unit (27) forms a pouring spout at the top of the bag. An Independent claim is included for a method for making flat bottomed plastic bags